support \setlength and measurement constants #687
Description
Add a dictionary that tracks the values of
- thinmuskip
- medmuskip
- thickmuskip
- jot
- arraystretch
- baselinestretch
- arraycolsep
- fboxsep (used in
enclosee.g.\colorbox)
{{ message }}
Add a dictionary that tracks the values of
enclose e.g. \colorbox)